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Anysphere Raises $900M at $9B Valuation, Existing Backers Double Down
2 min read Anysphere, maker of AI coding assistant Cursor, has raised $900M in a funding round led by Thrive Capital, boosting its valuation to $9B. Previous backers Andreessen Horowitz and Accel also joined, bringing total funding to over $1B. As competition intensifies—especially with rival Windsurf eyeing a $3B valuation and reportedly targeted by OpenAI—Cursor has emerged as a key contender in the rapidly evolving AI developer tools space. May 05, 2025 10:51
Anysphere, the company behind AI coding assistant Cursor, has reportedly locked in a massive $900M round led by Thrive Capital, pushing its valuation to $9B, according to The Financial Times.
Andreessen Horowitz (a16z) and Accel are said to have joined the round—same crew from the December raise, when Cursor bagged $105M at a $2.5B valuation. That brings Anysphere’s total funding north of $1B, per Crunchbase.
Investor frenzy is real: Index Ventures, Benchmark, and others are circling, but insiders say current backers aren’t giving up their seats.
Meanwhile, the AI coding wars are heating up. Windsurf, a Cursor competitor, is reportedly in talks to raise at a $3B valuation. OpenAI—already backing Anysphere—allegedly tried to acquire Windsurf earlier this year.
Why it matters:
AI-native developer tools are becoming a key battleground. With major investors doubling down and rivals catching up fast, Anysphere's Cursor is now a frontline player in the race to define how software gets built in the AI era.
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